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Sass calculate percent minus px
...ser compatibility on Can I use...
.foo {
height: calc(25% - 5px);
}
If your values are in variables, you may need to use interpolation turn them into strings (otherwise Sass just tries to perform arithmetic):
$a: 25%;
$b: 5px;
.foo {
width: calc(#{$a} - #{$b});
}
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What exactly does an #if 0 … #endif block do?
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Not only does it not get executed, it doesn't even get compiled.
#if is a preprocessor command, which gets evaluated before the actual compilation step. The code inside that block doesn't appear in the compiled binary.
It's often used for temporarily removing segments of code with the inte...
How to combine multiple conditions to subset a data-frame using “OR”?
I have a data.frame in R. I want to try two different conditions on two different columns, but I want these conditions to be inclusive. Therefore, I would like to use "OR" to combine the conditions. I have used the following syntax before with lot of success when I wanted to use the "AND" conditio...
Updating the list view when the adapter data changes
...ListView.invalidate();
for:
((BaseAdapter) mMyListView.getAdapter()).notifyDataSetChanged();
If that doesnt work, refer to this thread:
Android List view refresh
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Checking if all elements in a list are unique
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Not the most efficient, but straight forward and concise:
if len(x) > len(set(x)):
pass # do something
Probably won't make much of a difference for short lists.
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How to call function from another file in go language?
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If test2 has a struct, will it imported too?
– Angger
Jun 4 '17 at 14:07
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Diff files present in two different directories
... need to compare all the files present in both the directories using the diff command. Is there a simple command line option to do it, or do I have to write a shell script to get the file listing and then iterate through them?
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How do I get the height and width of the Android Navigation Bar programmatically?
...ces resources = context.getResources();
int resourceId = resources.getIdentifier("navigation_bar_height", "dimen", "android");
if (resourceId > 0) {
return resources.getDimensionPixelSize(resourceId);
}
return 0;
sha...
ASP.Net: Literal vs Label
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Yep, the main difference is that Literal controls just render out text, but Label controls surround it with <span> tags (Unless you use the AssociatedControlID property, in which case a Label control will render a <label> tag).
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iPhone - Get Position of UIView within entire UIWindow
... the bounds of the window. The screen's and device coordinate systems are different and should not be mixed up with window coordinates.
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